National Museum of Nuclear Science & History
E. C. McAdoo worked for the Roane-Anderson Company.
Frank E. Keene was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Shirley Nyden was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab between June and December of 1944.
J. E. Travis worked for the United States Engineer District Office.